Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Front Seat Backrest
Removal and Installation
All vehicles
1. Remove the seat. For additional information, refer to Seat-Front Power
in this section.
2. Remove the front seat backrest latch. For additional information, refer
to Latch-Front Seat
Backrest in this section.
...
Checks and Services
Certain basic maintenance checks and inspections should be carried out at
specified intervals. Any
recognized adverse condition should be corrected as soon as possible.
Maximum Oil Change Interval (Normal Schedule)
8,000 km (5,000 miles) or 6 months, whiche ...
Installation
1. Install the RH engine insulator.
Install the nuts.
Install the bolts.
2. Install the LH engine insulator.
3. Connect the engine ground strap.
4. Install the bracket.
5. Lower the vehicle.
6. Lower the engine.
7. Raise the vehicle.
8. Ins ...
